Egon found a publication some time ago which mentioned the CDK-Taverna plug-in.
see Egon’s post: here
This is the paper:
Peter Li, Tom Oinn, Stian Soiland, Douglas B. Kell, Automated manipulation of systems biology models using libSBML within Taverna workflows, Bioinformatics 2008 24(2):287-289, doi: 10.1093/bioinformatics/btm578
